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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - CLANG including struct names when looking up namespace name candidates"
href="https://bugs.llvm.org/show_bug.cgi?id=45216">45216</a>
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<th>Summary</th>
<td>CLANG including struct names when looking up namespace name candidates
</td>
</tr>
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<th>Product</th>
<td>clang
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>C++11
</td>
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<th>Assignee</th>
<td>unassignedclangbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>kjmathew@outlook.com
</td>
</tr>
<tr>
<th>CC</th>
<td>blitzrakete@gmail.com, dgregor@apple.com, erik.pilkington@gmail.com, llvm-bugs@lists.llvm.org, richard-llvm@metafoo.co.uk
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<p>
<div>
<pre>The below code compiles on GCC but not on CLANG. Looks like CLANG is looking up
struct identifier names as ns_name candidates in addition to namespace names in
"using ns_name::name;".
<a href="https://wandbox.org/permlink/zG6JvMtNwxXK4yPn">https://wandbox.org/permlink/zG6JvMtNwxXK4yPn</a>
////////////////////////////////////////////////////////////////////////////
#include<stdio.h>
namespace N1 {
const char* f() {
return "NamespaceN1::f()";
}
}
namespace N2 {
struct N1 {
static const char* f() {
return "NamespaceN2::StructN1::f()";
}
};
}
using namespace N2;
using N1::f;
int main()
{
printf("%s\n", f());
return 0;
}
////////////////////////////////////////////////////////////////////////////
Compilation Error on CLANG:
prog.cc:18:7: error: reference to 'N1' is ambiguous
using N1::f;
^
prog.cc:3:11: note: candidate found by name lookup is 'N1'
namespace N1 {
^
prog.cc:10:10: note: candidate found by name lookup is 'N2::N1'
struct N1 {
^
prog.cc:22:20: error: use of undeclared identifier 'f'; did you mean 'N1::f'?
printf("%s\n", f());
^
N1::f
prog.cc:4:16: note: 'N1::f' declared here
const char* f() {
^
2 errors generated.
////////////////////////////////////////////////////////////////////////////
Result on GCC:
NamespaceN1::f()</pre>
</div>
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